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recommend a replacement for U2.
devanshi13

devanshi13

@copilot recommend a replacement for U2.
2y

copilot

U2 is a Hitachi branded component, but it doesn't provide any specific part number or series, therefore, it's difficult to give a direct replacement. However, if we assume that U2 is a Hitachi HD44780 LCD Display controller which is used in many 16x2 or 20x4 LCD modules based on the provided pins, you have multiple options.
Replacement options could be any HD44780-compatible LCD controller. Some of these options include:
  1. Newhaven Display NHD-0420DZ-FL-YBW-3V3: This LCD module is based on the ST7066U controller which is HD44780 compatible. Note that the interface voltage is 3.3V for this part.
  2. Winstar Display WH1602A: A commonly used 16x2 LCD display, offering an HD44780 compliant controller.
  3. Sunlike Display ADM1602K: This component comprises a 16x2 character LCD module with a built-in HD44780 equivalent controller.
Please note these are basic replacements and might not cover any specific requirements you have for your project, and you might need to adapt your software if you plan to replace the current display.
Also, it's essential to cross-verify the pinout and dimensions of the new component with the existing board layout and design to ensure compatibility.
2y
1
D1 K - RPi1 GND
D1 K - RPi1 GND
U1 VBAT - RPi1 5V
U2 E - RPi1 GPIO27
D1 K - RPi1 GND
SW1 P1 - RPi1 GPIO24
D1 K - RPi1 GND
U2
D1 K - RPi1 GND
D1 K - RPi1 GND
U2 RS - RPi1 GPIO22
U1
D1 K - RPi1 GND
D1 K - RPi1 GND
D1 K - RPi1 GND
RPi1
SW1

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